Beryllium bromide
Beryllium bromide is an inorganic compound with the chemical formula BeBr2. It is a white to yellowish solid that is highly soluble in water and forms acidic solutions. Beryllium bromide is primarily used in the synthesis of beryllium-containing compounds and as a catalyst in organic reactions.
Structure and Properties[edit | edit source]
Beryllium bromide is a linear molecule in the gas phase, but in the solid state, it forms a polymeric structure. The beryllium atom is coordinated by four bromine atoms in a tetrahedral geometry. This compound is hygroscopic and reacts with water to form beryllium hydroxide and hydrobromic acid:
- BeBr2 + 2 H2O → Be(OH)2 + 2 HBr
Synthesis[edit | edit source]
Beryllium bromide can be synthesized by the direct reaction of beryllium metal with bromine gas:
- Be + Br2 → BeBr2
Alternatively, it can be prepared by the reaction of beryllium oxide with hydrobromic acid:
- BeO + 2 HBr → BeBr2 + H2O
Applications[edit | edit source]
Beryllium bromide is used in the preparation of beryllium metal and beryllium alloys. It is also employed as a catalyst in organic synthesis, particularly in Friedel-Crafts reactions.
Safety and Handling[edit | edit source]
Beryllium compounds are highly toxic and should be handled with care. Beryllium bromide can cause severe irritation to the skin, eyes, and respiratory tract. Proper protective equipment, such as gloves and goggles, should be used when handling this compound.
Also see[edit | edit source]
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